Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.21 >
edited by Xiaoling
on 2022/06/10 08:40
To version < 77.75 >
edited by Xiaoling
on 2022/06/10 09:23
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -673,14 +673,17 @@
673 673  
674 674   Yy4 yy4: AC2 or AV2 high limit.
675 675  
661 +
676 676  **Example1**: AA 00 13 88 00 00 00 00 00 00
677 677  
678 678  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679 679  
666 +
680 680  **Example2**: AA 02 01 00
681 681  
682 682  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683 683  
671 +
684 684  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
685 685  
686 686  MOD6 Payload : total 11 bytes payload
... ... @@ -687,6 +687,7 @@
687 687  
688 688  [[image:image-20220524085923-1.png]]
689 689  
678 +
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 692  [[image:image-20220524090106-2.png]]
... ... @@ -693,6 +693,7 @@
693 693  
694 694  * Each bits shows if the corresponding trigger has been configured.
695 695  
685 +
696 696  **Example:**
697 697  
698 698  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -704,6 +704,7 @@
704 704  
705 705  * Each bits shows which status has been trigger on this uplink.
706 706  
697 +
707 707  **Example:**
708 708  
709 709  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -715,6 +715,7 @@
715 715  
716 716  * Each bits shows which status has been trigger on this uplink.
717 717  
709 +
718 718  **Example:**
719 719  
720 720  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -777,6 +777,7 @@
777 777  
778 778  **Example: **AT+TDC=30000. Means set interval to 30 seconds
779 779  
772 +
780 780  * Downlink Payload (prefix 0x01):
781 781  
782 782  (% class="box infomessage" %)
... ... @@ -799,6 +799,7 @@
799 799  
800 800  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
801 801  
795 +
802 802  * Downlink Payload (prefix 0x0A):
803 803  
804 804  (% class="box infomessage" %)
... ... @@ -814,6 +814,7 @@
814 814  
815 815  There is no AT Command to poll uplink
816 816  
811 +
817 817  * Downlink Payload (prefix 0x08):
818 818  
819 819  (% class="box infomessage" %)
... ... @@ -840,6 +840,7 @@
840 840  
841 841  0: Disable Trigger Mode
842 842  
838 +
843 843  * Downlink Payload (prefix 0x0A 06):
844 844  
845 845  (% class="box infomessage" %)
... ... @@ -848,6 +848,7 @@
848 848  )))
849 849  
850 850  
847 +
851 851  ==== 3.4.2.5 Poll trigger settings ====
852 852  
853 853  Poll trigger settings,
... ... @@ -856,6 +856,7 @@
856 856  
857 857  There is no AT Command for this feature.
858 858  
856 +
859 859  * Downlink Payload (prefix 0x AB 06):
860 860  
861 861  (% class="box infomessage" %)
... ... @@ -864,6 +864,7 @@
864 864  )))
865 865  
866 866  
865 +
867 867  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
868 868  
869 869  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -875,6 +875,7 @@
875 875  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
876 876  )))
877 877  
877 +
878 878  **Example:**
879 879  
880 880  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -887,6 +887,7 @@
887 887  )))
888 888  
889 889  
890 +
890 890  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
891 891  
892 892  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -902,10 +902,12 @@
902 902  
903 903  b : delay timing.
904 904  
906 +
905 905  **Example:**
906 906  
907 907  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
908 908  
911 +
909 909  * Downlink Payload (prefix 0x09 01 ):
910 910  
911 911  (% class="box infomessage" %)
... ... @@ -914,6 +914,7 @@
914 914  )))
915 915  
916 916  
920 +
917 917  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
918 918  
919 919  Set DI2 trigger.
... ... @@ -929,10 +929,12 @@
929 929  
930 930  b : delay timing.
931 931  
936 +
932 932  **Example:**
933 933  
934 934  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
935 935  
941 +
936 936  * Downlink Payload (prefix 0x09 02 ):
937 937  
938 938  (% class="box infomessage" %)
... ... @@ -941,6 +941,7 @@
941 941  )))
942 942  
943 943  
950 +
944 944  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
945 945  
946 946  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -952,6 +952,7 @@
952 952  **AT+ACLIM. **
953 953  )))
954 954  
962 +
955 955  * Downlink Payload (prefix 0xAA 01 ):
956 956  
957 957  (% class="box infomessage" %)
... ... @@ -960,6 +960,7 @@
960 960  )))
961 961  
962 962  
971 +
963 963  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
964 964  
965 965  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -971,6 +971,7 @@
971 971  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
972 972  )))
973 973  
983 +
974 974  * Downlink Payload (prefix 0xAA 00 ):
975 975  
976 976  (% class="box infomessage" %)
... ... @@ -979,6 +979,7 @@
979 979  )))
980 980  
981 981  
992 +
982 982  ==== 3.4.2.11 Trigger – Set minimum interval ====
983 983  
984 984  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -990,6 +990,7 @@
990 990  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
991 991  )))
992 992  
1004 +
993 993  * Downlink Payload (prefix 0xAC ):
994 994  
995 995  (% class="box infomessage" %)
... ... @@ -998,6 +998,7 @@
998 998  )))
999 999  
1000 1000  
1013 +
1001 1001  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1002 1002  
1003 1003  * AT Command:
... ... @@ -1004,6 +1004,7 @@
1004 1004  
1005 1005  There is no AT Command to control Digital Output
1006 1006  
1020 +
1007 1007  * Downlink Payload (prefix 0x02):
1008 1008  
1009 1009  (% class="box infomessage" %)
... ... @@ -1030,6 +1030,7 @@
1030 1030  )))
1031 1031  
1032 1032  
1047 +
1033 1033  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1034 1034  
1035 1035  * AT Command:
... ... @@ -1036,6 +1036,7 @@
1036 1036  
1037 1037  There is no AT Command to control Digital Output
1038 1038  
1054 +
1039 1039  * Downlink Payload (prefix 0xA9):
1040 1040  
1041 1041  (% class="box infomessage" %)
... ... @@ -1055,18 +1055,22 @@
1055 1055  
1056 1056  00: DO pins will change to an inverter state after timeout 
1057 1057  
1074 +
1058 1058  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1059 1059  
1060 1060  [[image:image-20220524093238-6.png]]
1061 1061  
1079 +
1062 1062  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1063 1063  
1064 1064  [[image:image-20220524093328-7.png]]
1065 1065  
1084 +
1066 1066  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1067 1067  
1068 1068  [[image:image-20220524093351-8.png]]
1069 1069  
1089 +
1070 1070  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1071 1071  
1072 1072   Latching time. Unit: ms
... ... @@ -1073,6 +1073,7 @@
1073 1073  
1074 1074  Device will upload a packet if downlink code executes successfully.
1075 1075  
1096 +
1076 1076  **Example payload:**
1077 1077  
1078 1078  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1092,12 +1092,14 @@
1092 1092  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1093 1093  
1094 1094  
1095 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1096 1096  
1117 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1118 +
1097 1097  * AT Command:
1098 1098  
1099 1099  There is no AT Command to control Relay Output
1100 1100  
1123 +
1101 1101  * Downlink Payload (prefix 0x03):
1102 1102  
1103 1103  (% class="box infomessage" %)
... ... @@ -1120,6 +1120,7 @@
1120 1120  Device will upload a packet if downlink code executes successfully.
1121 1121  
1122 1122  
1146 +
1123 1123  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1124 1124  
1125 1125  * AT Command:
... ... @@ -1126,6 +1126,7 @@
1126 1126  
1127 1127  There is no AT Command to control Relay Output
1128 1128  
1153 +
1129 1129  * Downlink Payload (prefix 0x05):
1130 1130  
1131 1131  (% class="box infomessage" %)
... ... @@ -1143,14 +1143,17 @@
1143 1143  
1144 1144  00: Relays will change to an inverter state after timeout
1145 1145  
1171 +
1146 1146  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1147 1147  
1148 1148  [[image:image-20220524093831-10.png]]
1149 1149  
1176 +
1150 1150  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1151 1151  
1152 1152  Device will upload a packet if downlink code executes successfully.
1153 1153  
1181 +
1154 1154  **Example payload:**
1155 1155  
1156 1156  **~1. 05 01 11 07 D0**
... ... @@ -1170,6 +1170,7 @@
1170 1170  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1171 1171  
1172 1172  
1201 +
1173 1173  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1174 1174  
1175 1175  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1181,6 +1181,7 @@
1181 1181  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1182 1182  )))
1183 1183  
1213 +
1184 1184  * Downlink Payload (prefix 0xA5):
1185 1185  
1186 1186  (% class="box infomessage" %)
... ... @@ -1189,6 +1189,7 @@
1189 1189  )))
1190 1190  
1191 1191  
1222 +
1192 1192  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1193 1193  
1194 1194  * AT Command:
... ... @@ -1206,6 +1206,7 @@
1206 1206  
1207 1207  Bb cc dd ee: number to be set
1208 1208  
1240 +
1209 1209  * Downlink Payload (prefix 0xA8):
1210 1210  
1211 1211  (% class="box infomessage" %)
... ... @@ -1214,6 +1214,7 @@
1214 1214  )))
1215 1215  
1216 1216  
1249 +
1217 1217  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1218 1218  
1219 1219  Clear counting for counting mode
... ... @@ -1233,6 +1233,7 @@
1233 1233  )))
1234 1234  
1235 1235  
1269 +
1236 1236  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1237 1237  
1238 1238  * AT Command:
... ... @@ -1255,16 +1255,17 @@
1255 1255  
1256 1256  )))
1257 1257  
1292 +
1258 1258  == 3.5 Integrate with Mydevice ==
1259 1259  
1260 1260  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1261 1261  
1262 1262  (((
1263 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1298 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1264 1264  )))
1265 1265  
1266 1266  (((
1267 -**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1302 +(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1268 1268  )))
1269 1269  
1270 1270  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1271,12 +1271,13 @@
1271 1271  
1272 1272  [[image:image-20220524094641-11.png||height="390" width="723"]]
1273 1273  
1309 +
1274 1274  [[image:image-20220524094641-12.png||height="402" width="718"]]
1275 1275  
1276 1276  
1277 -**Step 3**: Create an account or log in Mydevices.
1313 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1278 1278  
1279 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1315 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1280 1280  
1281 1281  Search under The things network
1282 1282  
... ... @@ -1283,19 +1283,25 @@
1283 1283  [[image:1653356838789-523.png||height="337" width="740"]]
1284 1284  
1285 1285  
1322 +
1286 1286  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1287 1287  
1288 1288  [[image:image-20220524094909-1.png||height="335" width="729"]]
1289 1289  
1327 +
1290 1290  [[image:image-20220524094909-2.png||height="337" width="729"]]
1291 1291  
1330 +
1292 1292  [[image:image-20220524094909-3.png||height="338" width="727"]]
1293 1293  
1333 +
1294 1294  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1295 1295  
1336 +
1296 1296  [[image:image-20220524094909-5.png||height="341" width="734"]]
1297 1297  
1298 1298  
1340 +
1299 1299  == 3.6 Interface Detail ==
1300 1300  
1301 1301  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1305,6 +1305,7 @@
1305 1305  [[image:1653356991268-289.png]]
1306 1306  
1307 1307  
1350 +
1308 1308  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1309 1309  
1310 1310  (((
... ... @@ -1330,7 +1330,7 @@
1330 1330  )))
1331 1331  
1332 1332  (((
1333 -**Example1**: Connect to a Low active sensor.
1376 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1334 1334  )))
1335 1335  
1336 1336  (((
... ... @@ -1361,7 +1361,7 @@
1361 1361  )))
1362 1362  
1363 1363  (((
1364 -**Example2**: Connect to a High active sensor.
1407 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1365 1365  )))
1366 1366  
1367 1367  (((
... ... @@ -1392,7 +1392,7 @@
1392 1392  )))
1393 1393  
1394 1394  (((
1395 -**Example3**: Connect to a 220v high active sensor.
1438 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1396 1396  )))
1397 1397  
1398 1398  (((
... ... @@ -1419,6 +1419,7 @@
1419 1419  )))
1420 1420  
1421 1421  
1465 +
1422 1422  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1423 1423  
1424 1424  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1426,12 +1426,14 @@
1426 1426  [[image:1653357531600-905.png]]
1427 1427  
1428 1428  
1473 +
1429 1429  === 3.6.4 Analog Input Interface ===
1430 1430  
1431 1431  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1432 1432  
1433 -**AC2 = (IN2 voltage )/12**
1434 1434  
1479 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1480 +
1435 1435  [[image:1653357592296-182.png]]
1436 1436  
1437 1437  Example to connect a 4~~20mA sensor
... ... @@ -1438,22 +1438,24 @@
1438 1438  
1439 1439  We take the wind speed sensor as an example for reference only.
1440 1440  
1441 -Specifications of the wind speed sensor:
1442 1442  
1443 -Red:12~~24v
1488 +**Specifications of the wind speed sensor:**
1444 1444  
1445 -Yellow:4~~20mA
1490 +Red:  12~~24v
1446 1446  
1447 -Black:GND
1492 +Yellow:  4~~20mA
1448 1448  
1494 +Black:  GND
1449 1449  
1450 -Connection diagram:
1451 1451  
1497 +**Connection diagram:**
1498 +
1452 1452  [[image:1653357640609-758.png]]
1453 1453  
1454 1454  [[image:1653357648330-671.png||height="155" width="733"]]
1455 1455  
1456 1456  
1504 +
1457 1457  === 3.6.5 Relay Output ===
1458 1458  
1459 1459  (((
... ... @@ -1465,6 +1465,7 @@
1465 1465  [[image:image-20220524100215-10.png||height="382" width="723"]]
1466 1466  
1467 1467  
1516 +
1468 1468  == 3.7 LEDs Indicators ==
1469 1469  
1470 1470  [[image:image-20220524100748-11.png]]
... ... @@ -1478,6 +1478,7 @@
1478 1478  
1479 1479  [[image:1653358238933-385.png]]
1480 1480  
1530 +
1481 1481  (((
1482 1482  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1483 1483  )))
... ... @@ -1484,6 +1484,7 @@
1484 1484  
1485 1485  [[image:1653358355238-883.png]]
1486 1486  
1537 +
1487 1487  (((
1488 1488  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1489 1489  )))
... ... @@ -1674,12 +1674,16 @@
1674 1674  
1675 1675  )))
1676 1676  
1728 +
1729 +
1677 1677  == 4.2 Common AT Command Sequence ==
1678 1678  
1679 1679  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1680 1680  
1681 1681  (((
1682 -If device has not joined network yet:
1735 +
1736 +
1737 +**If device has not joined network yet:**
1683 1683  )))
1684 1684  
1685 1685  (((
... ... @@ -1704,7 +1704,7 @@
1704 1704  
1705 1705  
1706 1706  (((
1707 -If device already joined network:
1762 +**If device already joined network:**
1708 1708  )))
1709 1709  
1710 1710  (((
... ... @@ -1717,10 +1717,14 @@
1717 1717  
1718 1718  )))
1719 1719  
1775 +
1776 +
1720 1720  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1780 +
1781 +
1782 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1724 1724  )))
1725 1725  
1726 1726  (((
... ... @@ -1728,7 +1728,7 @@
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1790 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1732 1732  )))
1733 1733  
1734 1734  (((
... ... @@ -1736,39 +1736,41 @@
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1798 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1802 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1806 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1810 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1752 1752  )))
1753 1753  
1754 1754  (((
1755 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1814 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1818 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1760 1760  )))
1761 1761  
1762 1762  (((
1763 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1822 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1764 1764  )))
1765 1765  
1766 1766  (((
1767 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1826 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1768 1768  )))
1769 1769  
1770 1770  (((
1771 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1830 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1831 +
1832 +
1772 1772  )))
1773 1773  
1774 1774  (((
... ... @@ -1790,6 +1790,7 @@
1790 1790  
1791 1791  )))
1792 1792  
1854 +
1793 1793  === 4.2.3 Change to Class A ===
1794 1794  
1795 1795  If sensor JOINED
... ... @@ -1801,19 +1801,25 @@
1801 1801  
1802 1802  == 5.1 How to upgrade the image? ==
1803 1803  
1866 +
1804 1804  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1805 1805  
1806 1806  * Support new features
1807 1807  * For bug fix
1808 1808  * Change LoRaWAN bands.
1872 +
1809 1809  Below shows the hardware connection for how to upload an image to the LT:
1810 -* [[image:1653359603330-121.png]]
1811 1811  
1875 +[[image:1653359603330-121.png]]
1876 +
1877 +
1812 1812  (((
1813 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1814 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1815 -**Step3: **Open flashloader; choose the correct COM port to update.
1816 -**For LT-22222-L**:
1879 +(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1880 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1881 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1882 +
1883 +
1884 +(% style="color:blue" %)**For LT-22222-L**(%%):
1817 1817  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1818 1818  )))
1819 1819  
... ... @@ -1823,6 +1823,7 @@
1823 1823  
1824 1824  [[image:image-20220524104033-15.png]]
1825 1825  
1894 +
1826 1826  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1827 1827  
1828 1828  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1830,6 +1830,8 @@
1830 1830  
1831 1831  (((
1832 1832  (((
1902 +
1903 +
1833 1833  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1834 1834  )))
1835 1835  )))
... ... @@ -1836,11 +1836,11 @@
1836 1836  
1837 1837  (((
1838 1838  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1839 -
1840 -
1841 1841  )))
1842 1842  
1843 1843  (((
1913 +
1914 +
1844 1844  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1845 1845  )))
1846 1846  
... ... @@ -1853,6 +1853,8 @@
1853 1853  (((
1854 1854  (((
1855 1855  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1927 +
1928 +
1856 1856  )))
1857 1857  )))
1858 1858  
... ... @@ -1868,23 +1868,25 @@
1868 1868  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1869 1869  )))
1870 1870  
1944 +
1871 1871  (((
1872 1872  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1873 1873  )))
1874 1874  
1875 1875  (((
1876 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1877 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1878 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1879 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1880 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1881 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1882 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1883 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1884 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1885 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1950 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1951 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1952 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1953 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1954 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1955 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1956 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1957 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1958 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1959 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1886 1886  )))
1887 1887  
1962 +
1888 1888  (((
1889 1889  As shown in below:
1890 1890  )))
... ... @@ -1901,11 +1901,11 @@
1901 1901  == 5.5 Can i use point to point communication for LT-22222-L? ==
1902 1902  
1903 1903  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1904 -
1905 -
1906 1906  )))
1907 1907  
1908 1908  (((
1982 +
1983 +
1909 1909  = 6. Trouble Shooting =
1910 1910  )))
1911 1911  
... ... @@ -1917,11 +1917,11 @@
1917 1917  
1918 1918  (((
1919 1919  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1920 -
1921 -
1922 1922  )))
1923 1923  
1924 1924  (((
1998 +
1999 +
1925 1925  == 6.2 Have trouble to upload image. ==
1926 1926  )))
1927 1927  
... ... @@ -1931,9 +1931,7 @@
1931 1931  
1932 1932  (((
1933 1933  
1934 -)))
1935 1935  
1936 -(((
1937 1937  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1938 1938  )))
1939 1939  
... ... @@ -1941,147 +1941,55 @@
1941 1941  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1942 1942  )))
1943 1943  
1944 -(((
1945 -
1946 -)))
1947 1947  
1948 -(((
2018 +
1949 1949  = 7. Order Info =
1950 -)))
1951 1951  
1952 -(((
1953 -(((
2021 +
1954 1954  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1955 -)))
1956 -)))
1957 1957  
1958 -(((
1959 -(((
2024 +
1960 1960  (% style="color:#4f81bd" %)**XXX:**
1961 -)))
1962 -)))
1963 1963  
1964 -(((
1965 -* (((
1966 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1967 -)))
1968 -)))
2027 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2028 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2029 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2030 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2031 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2032 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2033 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2034 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2035 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1969 1969  
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1973 -)))
1974 -)))
1975 -
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1979 -)))
1980 -)))
1981 -
1982 -(((
1983 -* (((
1984 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1985 -)))
1986 -)))
1987 -
1988 -(((
1989 -* (((
1990 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1991 -)))
1992 -)))
1993 -
1994 -(((
1995 -* (((
1996 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1997 -)))
1998 -)))
1999 -
2000 -(((
2001 -* (((
2002 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2003 -)))
2004 -)))
2005 -
2006 -(((
2007 -* (((
2008 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2009 -)))
2010 -)))
2011 -
2012 -(((
2013 -* (((
2014 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2015 -
2016 -
2017 -)))
2018 -
2019 2019  = 8. Packing Info =
2020 -)))
2021 2021  
2022 -(((
2023 -(((
2039 +
2024 2024  **Package Includes**:
2025 -)))
2026 -)))
2027 2027  
2028 -(((
2029 -(((
2030 2030  * LT-22222-L I/O Controller x 1
2031 2031  * Stick Antenna for LoRa RF part x 1
2032 2032  * Bracket for controller x1
2033 2033  * Program cable x 1
2034 -)))
2035 -)))
2036 2036  
2037 -(((
2038 -(((
2039 2039  **Dimension and weight**:
2040 -)))
2041 -)))
2042 2042  
2043 -(((
2044 -(((
2045 2045  * Device Size: 13.5 x 7 x 3 cm
2046 2046  * Device Weight: 105g
2047 2047  * Package Size / pcs : 14.5 x 8 x 5 cm
2048 2048  * Weight / pcs : 170g
2049 2049  
2050 -
2051 -)))
2052 -)))
2053 -
2054 -(((
2055 2055  = 9. Support =
2056 -)))
2057 2057  
2058 2058  * (((
2059 -(((
2060 2060  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2061 2061  )))
2062 -)))
2063 2063  * (((
2064 -(((
2065 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
2060 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2066 2066  )))
2067 -)))
2068 2068  
2069 -(((
2070 -(((
2071 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2072 -
2073 -
2074 -)))
2075 -
2076 -(((
2077 2077  = 10. Reference​​​​​ =
2078 2078  
2079 -* Product Page:
2080 -
2081 -LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2082 -
2065 +* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2083 2083  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2084 2084  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2085 2085  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2086 -)))
2087 -)))

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